A major difference between prokaryotes and eukaryotes is that although prokaryotes
A. do not have a nucleus, eukaryotes have a nucleus in their cells.
B. have chloropast for photosynthesis, eukaryotes do not.
C. have mitochondria, eukaryotes do not.
D. have DNA, eukaryotes only have RNA.
E. have cell walls, eukaryotes do not.
A. do not have a nucleus, eukaryotes have a nucleus in their cells.
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Some plants require water for reproduction. This is because
a. it is needed for germination of the spores. b. the eggs would dry out otherwise. c. the sperm are motile and need to swim to the egg to accomplish fertilization. d. the plants must be actively growing in order to reproduce. e. the seeds will be carried on the water to new sites.
A recovering stroke patient complained about strange smells in his room, but no cause could be found. The doctor diagnosed this as phantosmia, or olfactory hallucination, and said it was likely due to stroke-related damage to which tissue?
A. Peripheral nervous system B. Olfactory receptors C. Nodes of Ranvier D. Central nervous system
What are polyribosomes and why are they important?
What will be an ideal response?
Cardiac output is the product of heart rate times stroke volume.
a. true b. false